EP3242978B1 - S-shaped connection for connecting a water pipe to a fitting - Google Patents

S-shaped connection for connecting a water pipe to a fitting Download PDF

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Publication number
EP3242978B1
EP3242978B1 EP16700109.8A EP16700109A EP3242978B1 EP 3242978 B1 EP3242978 B1 EP 3242978B1 EP 16700109 A EP16700109 A EP 16700109A EP 3242978 B1 EP3242978 B1 EP 3242978B1
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EP
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Prior art keywords
shaped connection
connection
fitting
external thread
wall
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EP16700109.8A
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German (de)
French (fr)
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EP3242978A1 (en
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Frank Bernhard
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Individual
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    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/02—Plumbing installations for fresh water
    • E03C1/021—Devices for positioning or connecting of water supply lines
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/02—Plumbing installations for fresh water
    • E03C1/04—Water-basin installations specially adapted to wash-basins or baths
    • E03C1/0403—Connecting the supply lines to the tap body
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/02—Plumbing installations for fresh water
    • E03C2001/028—Alignment aids for plumbing installations
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L27/00—Adjustable joints, Joints allowing movement
    • F16L27/08—Adjustable joints, Joints allowing movement allowing adjustment or movement only about the axis of one pipe
    • F16L27/0804—Adjustable joints, Joints allowing movement allowing adjustment or movement only about the axis of one pipe the fluid passing axially from one joint element to another
    • F16L27/0837—Adjustable joints, Joints allowing movement allowing adjustment or movement only about the axis of one pipe the fluid passing axially from one joint element to another the joint elements being bends

Definitions

  • the present invention relates to an S-connection for connecting a water pipe with a fitting.
  • Known S-ports for this purpose have a 1/2 "male thread for connection to a water pipe and a 3/4" male thread for connection to a fitting.
  • a longitudinal axis of the 1/2 "male thread and a longitudinal axis of the 3/4" male thread are parallel and spaced apart.
  • the S-terminals are S-shaped as a whole, and by adjusting the angle of rotation after screwing the 1/2 "male thread into an internal thread of a water pipe connection, the lateral position (that is, the arrangement of the longitudinal axis of the 3/4" male thread in the The distance between the two longitudinal axes is also referred to as adjustability because of this adjustment possibility particularly important to be able to mount a fitting with two standardized spaced apart hot and cold water connections easily and exactly horizontal.
  • tap extensions In order to bridge the mentioned distance, so-called tap extensions are used, which are screwed into the wall plate with a 1/2 "external thread and at their other end have a 1/2 "female thread into which, depending on the size of the gap to be bridged, the 1/2" male thread of the S-port or one or more further cock extensions are screwed in.
  • the tap extensions are available in many different lengths in 5 mm increments, eg from 10 mm to 50 mm in length.
  • the pamphlets EP 0 992 632 A2 . DE 37 11 429 A1 . DE 25 32 648 A1 and DE 20 2014 006 320 U1 each show an S-port with the features of the preamble of claim 1.
  • a flush-S connection has become known, which also has the features of the preamble of claim 1. It is screwed during pre-assembly with a smaller external thread in a wall plate, surrounded with a protective cover and walled. During final assembly, an extended leg of the flush-S connection, which has a larger, continuous external thread and protrudes from the wall, cut to the required extent and connected to the valve.
  • a pipe connection adapter has become known, with which also a water pipe can be connected to a fitting.
  • a wall-side portion of the pipe connection adapter has a relatively long external thread for connection to a water pipe. Armatur note, the pipe connection adapter on a connector section.
  • the plug connection section is connected to the wall-side section via a special, disk-shaped coupling part, so that its longitudinal axis can be displaced laterally relative to the longitudinal axis of the wall-side section.
  • the present invention seeks to provide an S-connection of the type mentioned, with the assembly of bathroom and kitchen fittings can be simplified.
  • the S-port serves as a connecting piece between a typically arranged under plaster wall of a house water pipe and a surface-mounted fitting.
  • the fitting to be mounted may be, for example, a bath or kitchen faucet, such as a tub, shower or sink mixer, which requires both a hot and a cold water supply.
  • the warm and Cold water connections of the valve have a standardized distance of 150 mm.
  • the 1/2 "male thread of the S-fitting can be screwed directly into the wall washer of the water pipe mentioned above, as the large length of the 1/2" male thread of 30 mm or more is such that in most cases no tap extension more is needed to bridge a remaining distance. It is no longer necessary to select a more or less fitting copy of a variety of entrained tap extensions. Instead, it can be measured how large the distance between the wall disc and the desired arrangement of the 3/4 "male thread in the respective installation situation and the 1/2" male thread can be easily shortened to the exact degree required.
  • the installation effort is significantly reduced by the S-connection according to the invention, because it eliminates the need for the use and sealing of one or more Hahnverinrept.
  • the threaded connection between the wall plate and the 1/2 "male thread has to be made be sealed. Also, it is no longer necessary for a fitter to carry a variety of tap extensions of different lengths.
  • the 1/2 "external thread has a length of at least 50 mm or of at least 80 mm, and a length in the range of 80 mm to 120 mm, preferably of approximately 100 mm, is also possible wall plate arranged particularly deep in a wall can be quickly and in a short time connected to a fitting with the help of the S-connection.
  • the S-port has a wall-side port portion which has the 1/2 "male thread and can be shortened with a pipe saw, thereby making trimming particularly easy may have been damaged by the pipe saw, it can easily be made feasible with a file again.
  • the 1/2 "male thread extends the full length of the wall-side terminal portion, and the wall-side terminal portion extends to the s-shaped connector, whereby the overall length of the S-terminal can be made particularly small after shortening the wall-side terminal portion.
  • the distance between the longitudinal axes in the range of 3 mm to 40 mm. With increasing distance of the longitudinal axes a greater adjustability is achieved, so that hot and cold water pipes can be connected to the valve, the distance deviates particularly strong from 150 mm. For most installation situations, a distance in the range of 5 mm to 10 mm is practicable.
  • the S-connection made of brass, in a further embodiment, it is alternatively or additionally chromium-plated.
  • the S-connection is then particularly durable. Different brass alloys can be used, in particular red brass.
  • the 1/2 "external thread of the S-connection has a corrugation
  • the corrugation contributes to a sealing material applied to the 1/2" outer thread, in particular hemp or Teflon tape, when the S-connection is screwed in a wall plate penetrates deep into the space between the inner and outer threads, so that a particularly high density is achieved in particular in later readjustment of the S-connection.
  • the 3/4 "male thread has a length in the range of 10 mm to 30 mm.
  • a wall thickness of the S-connection in the region of the 1/2 "outer thread and / or in the region of the 3/4" outer thread is 1.5 mm to 3 mm. This represents a good compromise between easy shortenability, flow rate and stability.
  • a 1/2 "female thread is concentric with the 3/4" male thread.
  • the 1/2 "female thread may be any length in the range of about 10 mm to the length of the 1/4" male thread.
  • the S-connection can be used like a tap extension between a water pipe and any fitting connected to the 1/2 "female thread, for example, the valve can be an angle valve or a faucet In this case, a lateral offset can be made to allow an exact arrangement of the fitting, for example, in horizontal or vertical direction However, if this case is not required for a watertight connection, it may be otherwise used, for example, to attach a rosette.
  • FIG. 1 shows a S-terminal 10 made of chromed brass.
  • the S-connection 10 has a wall-side connection section 12 with a 1/2 "outer thread 14 extending over its entire length 1 for connection to a wall plate and a fitting-side connection section 16 with a 3/4" extending over its entire length s. External thread 18 for connection to a fitting.
  • the length 1 is at least 30 mm.
  • the 1/2 "male thread 14 may extend over the entire length 1.
  • a longitudinal axis 20 of the 1/2 "male thread and a longitudinal axis 22 of the 3/4" male thread are parallel and spaced apart.
  • a connecting portion 24 between the two terminal portions 12, 16 has an S-shape. The distance d of the two longitudinal axes 20, 22 from each other is the adjustability of the S-connection 10.
  • the wall-side connection portion 12 with the 1/2 "-Außengewinde 14 can be shortened arbitrarily by means of a pipe saw, not shown.
  • FIG. 2 shows the S-terminal 10 off FIG. 1 as a connection between a located in a wall 26 wall plate 28 a water pipe 30 and a bath fitting 32 in a simplified representation, partially in section.
  • the 1/2 "outer thread 14 of the S-connection 10 is screwed into an internal thread of the wall plate 28.
  • the fitting 32 is connected to the 3/4 "male thread 18 of the S-fitting 10.
  • the 3/4" male thread 18 of the S-fitting just protrudes out of the wall 26 so far that it passes through the rosette 34 of the fitting 32 is completely covered.
  • connection between the S-port 10 and the fitting 32 is as usual with a screwed onto the 3/4" -Außengewinde 18 cap nut 40 of the fitting 32 made so that the S-terminal 10 is clamped to the valve 32. Between S-port 10 and fitting 32, a sealing ring can be used.
  • the connection of the wall plate 28 and the fitting 32 is realized solely with the S-connection 10 according to the invention, which bridges the gap with an exact fit.
  • FIG. 3 shows a prior art S-port 36 in a typical installation situation.
  • the connection between a wall washer 28 located in a wall 28 of a water pipe 30 and the S-port 36 is produced with the aid of a tap extension 38.
  • the length of the arrangement of stopcock extension 38 and S-port 36 exceeds the distance to be bridged between the wall plate 28 and the fitting 32, so that the 3/4 "male thread 18 of the S-port 36 only partially from the rosette 34 of the valve 32nd
  • There remains a gap 42 between rosette 34 and union nut 40 which is perceived as a visual defect is high due to the additional threaded connection between the tap extension 38 and the S-port 36, especially if rework is required.

Description

Die vorliegende Erfindung betrifft einen S-Anschluss zur Verbindung einer Wasserleitung mit einer Armatur. Bekannte S-Anschlüsse zu diesem Zweck haben ein 1/2"-Außengewinde zur Verbindung mit einer Wasserleitung und ein 3/4"-Außengewinde zur Verbindung mit einer Armatur. Eine Längsachse des 1/2"-Außengewindes und eine Längsachse des 3/4"-Außengewindes sind parallel und in einem Abstand voneinander angeordnet.The present invention relates to an S-connection for connecting a water pipe with a fitting. Known S-ports for this purpose have a 1/2 "male thread for connection to a water pipe and a 3/4" male thread for connection to a fitting. A longitudinal axis of the 1/2 "male thread and a longitudinal axis of the 3/4" male thread are parallel and spaced apart.

Dadurch sind die S-Anschlüsse insgesamt S-förmig, und durch Anpassen des Drehwinkels nach dem Einschrauben des 1/2"-Außengewindes in ein Innengewinde eines Wasserleitungsanschlusses kann die seitliche Position (also die Anordnung der Längsachse des 3/4"-Außengewindes in der Ebene der Wand) des mit der Armatur zu verbindenden 3/4"-Außengewindes justiert werden. Der Abstand zwischen den beiden Längsachsen wird wegen dieser Justage-Möglichkeit auch als Verstellbarkeit bezeichnet. Ein genaues Justieren der seitlichen Position des 3/4"-Außengewindes ist insbesondere wichtig, um eine Armatur mit zwei in einem genormten Abstand voneinander angeordneten Anschlüssen für Warm- und Kaltwasser problemlos und exakt waagerecht montieren zu können.Thus, the S-terminals are S-shaped as a whole, and by adjusting the angle of rotation after screwing the 1/2 "male thread into an internal thread of a water pipe connection, the lateral position (that is, the arrangement of the longitudinal axis of the 3/4" male thread in the The distance between the two longitudinal axes is also referred to as adjustability because of this adjustment possibility particularly important to be able to mount a fitting with two standardized spaced apart hot and cold water connections easily and exactly horizontal.

Zusätzlich zu dieser seitlichen Justierbarkeit durch Verdrehen des S-Anschlusses ist für eine einwandfreie Montage der Armatur eine Anordnung des 3/4"-Außengewindes im richtigen Abstand von der Wand erforderlich. Zumeist ist hierzu ein Abstand zwischen einer Wandscheibe und dem 1/2"-Außengewinde des S-Anschlusses zu überbrücken. Als Wandscheibe wird ein abgewinkeltes, mit Befestigungslaschen versehenes Endstück der Wasserleitung.In addition to this lateral adjustability by twisting the S-connection, an assembly of the 3/4 "male thread at the correct distance from the wall is required for a perfect assembly of the fitting. External thread of the S-connection to bridge. As a wall plate is an angled, provided with fastening straps tail of the water pipe.

Um den genannten Abstand zu überbrücken, werden sogenannte Hahnverlängerungen eingesetzt, die mit einem 1/2"-Außengewinde in die Wandscheibe eingeschraubt werden und an ihrem anderen Ende ein 1/2"-Innengewinde aufweisen, in das je nach Größe des zu überbrückenden Abstands das 1/2"-Außengewinde des S-Anschlusses oder eine oder mehrere weitere Hahnverlängerungen eingeschraubt werden. Die Hahnverlängerungen sind in vielen unterschiedlichen Längen in 5 mm-Abstufungen erhältlich, z.B. von 10 mm bis 50 mm Länge.In order to bridge the mentioned distance, so-called tap extensions are used, which are screwed into the wall plate with a 1/2 "external thread and at their other end have a 1/2 "female thread into which, depending on the size of the gap to be bridged, the 1/2" male thread of the S-port or one or more further cock extensions are screwed in. The tap extensions are available in many different lengths in 5 mm increments, eg from 10 mm to 50 mm in length.

Trotz dieser zahlreichen verfügbaren Größen gelingt auf diese Weise nicht immer eine exakte Positionierung des 3/4"-Außengewindes: Steht dieses Gewinde zu weit aus der Wand hervor, kann es nicht vollständig von einer Rosette der Armatur verdeckt werden. Dies wird als optischer Mangel empfunden, zumal der freiliegende Gewindeabschnitt schwer zu reinigen ist. Steht das Gewinde nicht weit genug aus der Wand hervor, kann die Armatur unter Umständen nicht dichtend montiert werden, was ebenfalls inakzeptabel ist.Despite these numerous available sizes, it is not always possible to precisely position the 3/4 "male thread: if this thread protrudes too far out of the wall, it can not be completely covered by a rosette of the fitting Especially since the exposed thread section is difficult to clean, if the thread does not protrude far enough out of the wall, the fitting may not be sealed, which is also unacceptable.

Diese Nachteile wiegen besonders schwer, wenn die Wasserzuleitungen für Kalt- und Warmwasser nicht exakt gleich tief in der Wand versenkt sind, da in diesem Fall unterschiedlich lange Hahnverlängerungen verwendet werden müssen. Da die Hahnverlängerungen wie erwähnt nur in 5 mm-Schritten angeboten werden, lassen sich die genannten Differenzen nicht vollständig ausgleichen und es bleiben verschieden lange Gewindeabschnitte sichtbar. Unter Umständen kann die Armatur dann auch nicht hinreichend parallel zur Wand montiert werden.These disadvantages weigh particularly hard if the water supply lines for cold and hot water are not exactly the same deep recessed in the wall, since in this case different lengths of tap extensions must be used. Since the valve extensions are offered only in 5 mm increments, as mentioned above, the mentioned differences can not be completely compensated and different lengths of thread sections remain visible. Under certain circumstances, the fitting can then not be mounted sufficiently parallel to the wall.

Schließlich ist am geschilderten Stand der Technik nachteilig, dass insbesondere bei einer Kombination mehrerer Hahnverlängerungen ein erheblicher Montageaufwand entsteht. Jede Gewindeverbindung muss einzeln abgedichtet werden, in der Regel mittels Hanf und Gewindekitt oder Teflonband. Gelingt die exakte Anordnung des 3/4"-Außengewindes dabei nicht auf Anhieb, muss anschließend aufwendig nachgebessert werden. Für die optimale Montage einer Standardarmatur können so schnell zwei Arbeitsstunden oder mehr anfallen.Finally, it is disadvantageous in the described state of the art that, in particular in the case of a combination of a plurality of tap extensions, a considerable assembly outlay arises. Each threaded connection must be sealed individually, usually with hemp and thread cement or Teflon tape. If the exact arrangement of the 3/4 "male thread does not succeed straightaway, it will then be costly to remedy the problem.Thus, two hours or more of work may be required for the optimal assembly of a standard fitting.

Des Weiteren verbleiben immer wieder optische und funktionelle Mängel, im ungünstigsten Fall durch Undichtigkeiten, die schwere Folgeschäden nach sich ziehen können.Furthermore, there are always visual and functional defects, in the worst case, leaks, which can cause serious consequential damage.

Die Druckschriften EP 0 992 632 A2 , DE 37 11 429 A1 , DE 25 32 648 A1 und DE 20 2014 006 320 U1 zeigen jeweils einen S-Anschluss mit den Merkmalen des Oberbegriffs des Anspruchs 1.The pamphlets EP 0 992 632 A2 . DE 37 11 429 A1 . DE 25 32 648 A1 and DE 20 2014 006 320 U1 each show an S-port with the features of the preamble of claim 1.

Aus der Druckschrift DE 24 12 767 A1 ist ein Unterputz-S-Anschluss bekannt geworden, der ebenfalls die Merkmale des Oberbegriffs des Anspruchs 1 aufweist. Er wird bei der Vormontage mit einem kleineren Außengewinde in eine Wandscheibe eingeschraubt, mit einer Schutzhülle umgeben und eingemauert. Bei der Endmontage wird ein verlängerter Schenkel des Unterputz-S-Anschlusses, der ein größeres, durchlaufendes Außengewinde aufweist und aus der Wand hervorsteht, auf das benötigte Maß gekürzt und mit der Armatur verbunden.From the publication DE 24 12 767 A1 a flush-S connection has become known, which also has the features of the preamble of claim 1. It is screwed during pre-assembly with a smaller external thread in a wall plate, surrounded with a protective cover and walled. During final assembly, an extended leg of the flush-S connection, which has a larger, continuous external thread and protrudes from the wall, cut to the required extent and connected to the valve.

Aus der Druckschrift DE 10 2013 205 250 A1 ist ein Rohranschlussadapter bekannt geworden, mit dem ebenfalls eine Wasserleitung mit einer Armatur verbunden werden kann. Ein wandseitiger Abschnitt des Rohranschlussadapters weist ein relativ langes Außengewinde zur Verbindung mit einer Wasserleitung auf. Armaturseitig weist der Rohranschlussadapter einen Steckverbindungsabschnitt auf. Der Steckverbindungsabschnitt ist über ein spezielles, scheibenförmiges Koppelteil mit dem wandseitigen Abschnitt verbunden, so dass seine Längsachse relativ zur Längsachse des wandseitigen Abschnitts seitlich verschoben werden kann.From the publication DE 10 2013 205 250 A1 a pipe connection adapter has become known, with which also a water pipe can be connected to a fitting. A wall-side portion of the pipe connection adapter has a relatively long external thread for connection to a water pipe. Armaturseitig, the pipe connection adapter on a connector section. The plug connection section is connected to the wall-side section via a special, disk-shaped coupling part, so that its longitudinal axis can be displaced laterally relative to the longitudinal axis of the wall-side section.

Ausgehend vom erläuterten Stand der Technik liegt der Erfindung die Aufgabe zugrunde, einen S-Anschluss der eingangs genannten Art bereitzustellen, mit dem die Montage von Bad- und Küchenarmaturen vereinfacht werden kann.Based on the explained prior art, the present invention seeks to provide an S-connection of the type mentioned, with the assembly of bathroom and kitchen fittings can be simplified.

Diese Aufgabe wird gelöst durch den S-Anschluss mit den Merkmalen des Anspruchs 1. Vorteilhafte Ausgestaltungen bilden die Gegenstände der Unteransprüche.This object is achieved by the S-connection with the features of claim 1. Advantageous embodiments form the subject of the dependent claims.

Der S-Anschluss dient zur Verbindung einer Wasserleitung und einer Armatur und hat

  • ein 1/2"-Außengewinde zur Verbindung mit der Wasserleitung und
  • ein 3/4"-Außengewinde zur Verbindung mit der Armatur, wobei
  • eine Längsachse des 1/2"-Außengewindes und eine Längsachse des 3/4"-Außengewindes parallel und in einem Abstand voneinander angeordnet sind und
  • das 1/2"-Außengewinde eine Länge von mindestens 30 mm aufweist.
The S connection is used to connect a water pipe and a fitting and has
  • a 1/2 "male thread for connection to the water pipe and
  • a 3/4 "male thread for connection to the fitting, wherein
  • a longitudinal axis of the 1/2 "male thread and a longitudinal axis of the 3/4" male thread are parallel and spaced from each other, and
  • the 1/2 "external thread has a length of at least 30 mm.

Der S-Anschluss dient als Verbindungsstück zwischen einer typischerweise unter Putz einer Wand eines Hauses angeordneten Wasserleitung und einer Aufputzarmatur. Die zu montierende Armatur kann zum Beispiel eine Bad- oder Küchenarmatur sein, etwa eine Wannen-, Dusch- oder Spülsteinbatterie, die sowohl einer Warm- wie auch einer Kaltwasserversorgung bedarf. Die Warm- und Kaltwasseranschlüsse der Armatur haben einen genormten Abstand von 150 mm. Mit Hilfe zweier erfindungsgemäßer S-Anschlüsse wird eine passgenaue Verbindung zwischen den beiden Armaturenanschlüssen und der Warm- und Kaltwasserleitung hergestellt.The S-port serves as a connecting piece between a typically arranged under plaster wall of a house water pipe and a surface-mounted fitting. The fitting to be mounted may be, for example, a bath or kitchen faucet, such as a tub, shower or sink mixer, which requires both a hot and a cold water supply. The warm and Cold water connections of the valve have a standardized distance of 150 mm. With the help of two inventive S-connections a tailor-made connection between the two fittings connections and the hot and cold water pipe is made.

Das 1/2"-Außengewinde des S-Anschlusses kann direkt in die eingangs erwähnte Wandscheibe der Wasserleitung eingeschraubt werden, da die große Länge des 1/2"-Außengewindes von 30 mm oder mehr so bemessen ist, dass in den meisten Fällen keine Hahnverlängerung zur Überbrückung eines verbleibenden Abstands mehr benötigt wird. Es ist auch nicht länger notwendig, aus einer Vielzahl mitgeführter Hahnverlängerungen ein mehr oder minder passgenaues Exemplar auszuwählen. Stattdessen kann ausgemessen werden, wie groß der Abstand zwischen der Wandscheibe und der erwünschten Anordnung des 3/4"-Außengewindes in der jeweiligen Einbausituation ist und das 1/2"-Außengewinde kann einfach auf das exakt benötigte Maß gekürzt werden.The 1/2 "male thread of the S-fitting can be screwed directly into the wall washer of the water pipe mentioned above, as the large length of the 1/2" male thread of 30 mm or more is such that in most cases no tap extension more is needed to bridge a remaining distance. It is no longer necessary to select a more or less fitting copy of a variety of entrained tap extensions. Instead, it can be measured how large the distance between the wall disc and the desired arrangement of the 3/4 "male thread in the respective installation situation and the 1/2" male thread can be easily shortened to the exact degree required.

Dies ermöglicht eine exakte Positionierung des 3/4"-Außengewindes relativ zu der Wand, so dass es vollständig von der Rosette der Armatur verdeckt ist. Die gesamte Anordnung ist dadurch sowohl optisch ansprechend als auch besonders einfach zu reinigen. Gleichzeitig steht das passgenau montierte 3/4"-Außengewinde weit genug aus der Wand hervor, um eine dichtende Montage der Armatur zu gewährleisten. Bei der Erfindung ergeben sich darüber hinaus keine Probleme bei nicht exakt gleich tief in der Wand versenkten Kalt- und Warmwasserleitungen, weil stets eine millimetergenaue Längenanpassung des S-Anschlusses möglich ist.This allows precise positioning of the 3/4 "male thread relative to the wall so that it is completely concealed by the armature's rosette, making the entire assembly both visually pleasing and exceptionally easy to clean / 4 "male thread protrudes far enough out of the wall to ensure a sealed mounting of the fitting. In the invention, moreover, there are no problems with not exactly the same deep recessed in the wall cold and hot water pipes, because always a millimeter accurate length adjustment of the S-connection is possible.

Des Weiteren wird durch den erfindungsgemäßen S-Anschluss der Montageaufwand wesentlich verringert, denn es entfällt die Notwendigkeit der Verwendung und Abdichtung einer oder mehrerer Hahnverlängerungen. Wandseitig muss nur noch die Gewindeverbindung zwischen der Wandscheibe und dem 1/2"-Außengewinde abgedichtet werden. Auch ist es für einen Monteur nicht länger notwendig, eine Vielzahl von Hahnverlängerungen unterschiedlicher Länge mitzuführen.Furthermore, the installation effort is significantly reduced by the S-connection according to the invention, because it eliminates the need for the use and sealing of one or more Hahnverlängerungen. On the wall side, only the threaded connection between the wall plate and the 1/2 "male thread has to be made be sealed. Also, it is no longer necessary for a fitter to carry a variety of tap extensions of different lengths.

In einer bevorzugten Ausgestaltung weist das 1/2"-Außengewinde eine Länge von mindestens 50 mm bzw. von mindestens 80 mm auf. Möglich ist auch eine Länge im Bereich von 80 mm bis 120 mm, bevorzugt von etwa 100 mm. Hierdurch kann selbst eine besonders tief in einer Wand angeordnete Wandscheibe mit Hilfe des S-Anschlusses schnell und mit geringem Zeitaufwand mit einer Armatur verbunden werden.In a preferred embodiment, the 1/2 "external thread has a length of at least 50 mm or of at least 80 mm, and a length in the range of 80 mm to 120 mm, preferably of approximately 100 mm, is also possible wall plate arranged particularly deep in a wall can be quickly and in a short time connected to a fitting with the help of the S-connection.

In einer Ausgestaltung hat der S-Anschluss einen wandseitigen Anschlussabschnitt, der das 1/2"-Außengewinde aufweist und mit einer Rohrsäge kürzbar ist. Dadurch ist das Kürzen besonders einfach. Sollte der am S-Anschluss verbleibende Anfang des 1/2"-Außengewindes von der Rohrsäge beschädigt worden sein, kann er einfach mit einer Feile wieder gangbar gemacht werden.In one embodiment, the S-port has a wall-side port portion which has the 1/2 "male thread and can be shortened with a pipe saw, thereby making trimming particularly easy may have been damaged by the pipe saw, it can easily be made feasible with a file again.

In einer Ausgestaltung erstreckt sich das 1/2"-Außengewinde über die gesamte Länge des wandseitigen Anschlussabschnitts. Der wandseitige Anschlussabschnitt erstreckt sich bis zum s-förmigen Verbindungsstück. Dadurch kann die Gesamtlänge des S-Anschlusses nach Kürzen des wandseitigen Anschlussabschnitts besonders klein gewählt werden.In one embodiment, the 1/2 "male thread extends the full length of the wall-side terminal portion, and the wall-side terminal portion extends to the s-shaped connector, whereby the overall length of the S-terminal can be made particularly small after shortening the wall-side terminal portion.

In einer Ausgestaltung liegt der Abstand der Längsachsen im Bereich von 3 mm bis 40 mm. Mit steigendem Abstand der Längsachsen wird eine größere Verstellbarkeit erreicht, sodass auch Warm- und Kaltwasserleitungen mit der Armatur verbunden werden können, deren Abstand besonders stark von 150 mm abweicht. Für die meisten Einbausituationen praxistauglich ist ein Abstand im Bereich von 5 mm bis 10 mm.In one embodiment, the distance between the longitudinal axes in the range of 3 mm to 40 mm. With increasing distance of the longitudinal axes a greater adjustability is achieved, so that hot and cold water pipes can be connected to the valve, the distance deviates particularly strong from 150 mm. For most installation situations, a distance in the range of 5 mm to 10 mm is practicable.

In einer Ausgestaltung besteht der S-Anschluss aus Messing, in einer weiteren Ausgestaltung ist er alternativ oder zusätzlich verchromt. Der S-Anschluss ist dann besonders langlebig. Es können unterschiedliche Messing-Legierungen verwendet werden, insbesondere Rotguss.In one embodiment, the S-connection made of brass, in a further embodiment, it is alternatively or additionally chromium-plated. The S-connection is then particularly durable. Different brass alloys can be used, in particular red brass.

In einer Ausgestaltung weist das 1/2"-Außengewinde des S-Anschlusses eine Riffelung auf. Die Riffelung trägt dazu bei, dass ein auf das 1/2"-Außengewinde aufgebrachtes Dichtmaterial, insbesondere Hanf oder Teflonband, beim Einschrauben des S-Anschlusses in eine Wandscheibe tief in den Zwischenraum zwischen Innen- und Außengewinde eindringt, so dass eine besonders hohe Dichtigkeit insbesondere bei späterem Nachjustieren des S-Anschlusses erzielt wird.In one embodiment, the 1/2 "external thread of the S-connection has a corrugation The corrugation contributes to a sealing material applied to the 1/2" outer thread, in particular hemp or Teflon tape, when the S-connection is screwed in a wall plate penetrates deep into the space between the inner and outer threads, so that a particularly high density is achieved in particular in later readjustment of the S-connection.

In einer Ausgestaltung weist das das 3/4"-Außengewinde eine Länge im Bereich von 10 mm bis 30 mm auf.In one embodiment, the 3/4 "male thread has a length in the range of 10 mm to 30 mm.

In einer Ausgestaltung beträgt eine Wandstärke des S-Anschlusses im Bereich des 1/2"-Außengewindes und/oder im Bereich des 3/4"-Außengewindes 1,5 mm bis 3 mm. Dies stellt einen guten Kompromiss zwischen einfacher Kürzbarkeit, Durchflussmenge und Stabilität dar.In one embodiment, a wall thickness of the S-connection in the region of the 1/2 "outer thread and / or in the region of the 3/4" outer thread is 1.5 mm to 3 mm. This represents a good compromise between easy shortenability, flow rate and stability.

In einer Ausgestaltung ist konzentrisch zu dem 3/4"-Außengewinde ein 1/2"-Innengewinde angeordnet. Das 1/2"-Innengewinde kann eine beliebige Länge im Bereich von ca. 10 mm bis zur Länge des 1/4"-Außengewindes aufweisen. In dieser Ausgestaltung kann der S-Anschluss wie eine Hahnverlängerung zwischen einer Wasserleitung und einer beliebigen Armatur, die an das 1/2"-Innengewinde angeschlossen wird, eingesetzt werden. Die Armatur kann beispielsweise ein Eckventil oder ein Wasserhahn sein. Durch die Verstellbarkeit kann auch in diesem Fall ein seitlicher Versatz herstellt werden, um eine exakte Anordnung der Armatur zum Beispiel in Horizontal- oder Vertikalrichtung zu ermöglichen. Das 3/4"-Außengewinde wird in diesem Fall nicht für eine wasserdichte Verbindung benötigt, kann jedoch gegebenenfalls anderweitig genutzt werden, zum Beispiel zur Befestigung einer Rosette.In one embodiment, a 1/2 "female thread is concentric with the 3/4" male thread. The 1/2 "female thread may be any length in the range of about 10 mm to the length of the 1/4" male thread. In this embodiment, the S-connection can be used like a tap extension between a water pipe and any fitting connected to the 1/2 "female thread, for example, the valve can be an angle valve or a faucet In this case, a lateral offset can be made to allow an exact arrangement of the fitting, for example, in horizontal or vertical direction However, if this case is not required for a watertight connection, it may be otherwise used, for example, to attach a rosette.

Ein Ausführungsbeispiel der Erfindung wird nachfolgend anhand von zwei Figuren näher erläutert. Es zeigen:

Fig. 1
einen erfindungsgemäßen S-Anschluss in einer perspektivischen Ansicht,
Fig. 2
den S-Anschluss aus Figur 1 in einem beispielhaften Einbauzustand in einer vereinfachten, teilweise geschnittenen Darstellung, und
Fig. 3
einen S-Anschluss nach dem Stand der Technik in einer typischen Einbausituation unter Zuhilfenahme einer Hahnverlängerung.
An embodiment of the invention will be explained in more detail with reference to two figures. Show it:
Fig. 1
an S-connection according to the invention in a perspective view,
Fig. 2
the S port off FIG. 1 in an exemplary installation state in a simplified, partially sectioned illustration, and
Fig. 3
a S-connection according to the prior art in a typical installation situation with the aid of a tap extension.

Figur 1 zeigt einen S-Anschluss 10 aus verchromtem Messing. Der S-Anschluss 10 hat einen wandseitigen Anschlussabschnitt 12 mit einem sich über dessen gesamte Länge 1 erstreckenden 1/2"-Außengewinde 14 zur Verbindung mit einer Wandscheibe sowie einen armaturseitigen Anschlussabschnitt 16 mit einem sich über dessen gesamte Länge s erstreckenden 3/4"-Außengewinde 18 zur Verbindung mit einer Armatur. Die Länge 1 beträgt mindestens 30 mm. Das 1/2"-Außengewinde 14 kann sich über die gesamte Länge 1 erstrecken. FIG. 1 shows a S-terminal 10 made of chromed brass. The S-connection 10 has a wall-side connection section 12 with a 1/2 "outer thread 14 extending over its entire length 1 for connection to a wall plate and a fitting-side connection section 16 with a 3/4" extending over its entire length s. External thread 18 for connection to a fitting. The length 1 is at least 30 mm. The 1/2 "male thread 14 may extend over the entire length 1.

Eine Längsachse 20 des 1/2"-Außengewindes und eine Längsachse 22 des 3/4"-Außengewindes sind parallel und in einem Abstand d voneinander angeordnet. Ein Verbindungsabschnitt 24 zwischen den beiden Anschlussabschnitten 12, 16 weist eine S-Form auf. Der Abstand d der beiden Längsachsen 20, 22 voneinander ist die Verstellbarkeit des S-Anschlusses 10. Der wandseitige Anschlussabschnitt 12 mit dem 1/2"-Außengewinde 14 ist mit Hilfe einer nicht gezeigten Rohrsäge beliebig kürzbar.A longitudinal axis 20 of the 1/2 "male thread and a longitudinal axis 22 of the 3/4" male thread are parallel and spaced apart. A connecting portion 24 between the two terminal portions 12, 16 has an S-shape. The distance d of the two longitudinal axes 20, 22 from each other is the adjustability of the S-connection 10. The wall-side connection portion 12 with the 1/2 "-Außengewinde 14 can be shortened arbitrarily by means of a pipe saw, not shown.

Figur 2 zeigt den S-Anschluss 10 aus Figur 1 als Verbindung zwischen einer in einer Wand 26 befindlichen Wandscheibe 28 einer Wasserleitung 30 und einer Wannenarmatur 32 in einer vereinfachten Darstellung, teilweise im Schnitt. Das 1/2"-Außengewinde 14 des S-Anschlusses 10 ist in ein Innengewinde der Wandscheibe 28 eingeschraubt. FIG. 2 shows the S-terminal 10 off FIG. 1 as a connection between a located in a wall 26 wall plate 28 a water pipe 30 and a bath fitting 32 in a simplified representation, partially in section. The 1/2 "outer thread 14 of the S-connection 10 is screwed into an internal thread of the wall plate 28.

Die Armatur 32 ist mit dem 3/4"-Außengewinde 18 des S-Anschlusses 10 verbunden. Das 3/4"-Außengewinde 18 des S-Anschlusses ragt gerade soweit aus der Wand 26 heraus, dass es durch die Rosette 34 der Armatur 32 vollständig abgedeckt ist.The fitting 32 is connected to the 3/4 "male thread 18 of the S-fitting 10. The 3/4" male thread 18 of the S-fitting just protrudes out of the wall 26 so far that it passes through the rosette 34 of the fitting 32 is completely covered.

Es ist nur eine Gewindeverbindung abzudichten, nämlich zwischen der Wandscheibe 28 und dem 1/2"-Außengewinde 14. Die Verbindung zwischen dem S-Anschluss 10 und der Armatur 32 wird wie üblich mit einer auf das 3/4"-Außengewinde 18 aufgeschraubten Überwurfmutter 40 der Armatur 32 hergestellt, so dass der S-Anschluss 10 mit der Armatur 32 verspannt ist. Zwischen S-Anschluss 10 und Armatur 32 kann ein Dichtungsring eingesetzt werden. Die Verbindung der Wandscheibe 28 und der Armatur 32 ist allein mit dem erfindungsgemäßen S-Anschluss 10 realisiert, der den Abstand passgenau überbrückt.It is only one threaded connection to be sealed, namely between the wall plate 28 and the 1/2 "-Außengewinde 14. The connection between the S-port 10 and the fitting 32 is as usual with a screwed onto the 3/4" -Außengewinde 18 cap nut 40 of the fitting 32 made so that the S-terminal 10 is clamped to the valve 32. Between S-port 10 and fitting 32, a sealing ring can be used. The connection of the wall plate 28 and the fitting 32 is realized solely with the S-connection 10 according to the invention, which bridges the gap with an exact fit.

Figur 3 zeigt einen S-Anschluss 36 nach dem Stand der Technik in einer typischen Einbausituation. Die Verbindung zwischen einer in einer Wand 26 befindlichen Wandscheibe 28 einer Wasserleitung 30 und dem S-Anschluss 36 wird unter Zuhilfenahme einer Hahnverlängerung 38 hergestellt. Die Länge der Anordnung aus Hahnverlängerung 38 und S-Anschluss 36 übersteigt jedoch den zu überbrückenden Abstand zwischen der Wandscheibe 28 und der Armatur 32, sodass das 3/4"-Außengewinde 18 des S-Anschlusses 36 nur teilweise von der Rosette 34 der Armatur 32 abgedeckt wird. Es verbleibt ein Spalt 42 zwischen Rosette 34 und Überwurfmutter 40, was als optischer Mangel empfunden wird. Der Montageaufwand ist aufgrund der zusätzlichen, abzudichtenden Gewindeverbindung zwischen der Hahnverlängerung 38 und dem S-Anschluss 36 hoch, insbesondere wenn Nachbesserungen erforderlich werden. FIG. 3 shows a prior art S-port 36 in a typical installation situation. The connection between a wall washer 28 located in a wall 28 of a water pipe 30 and the S-port 36 is produced with the aid of a tap extension 38. However, the length of the arrangement of stopcock extension 38 and S-port 36 exceeds the distance to be bridged between the wall plate 28 and the fitting 32, so that the 3/4 "male thread 18 of the S-port 36 only partially from the rosette 34 of the valve 32nd There remains a gap 42 between rosette 34 and union nut 40, which is perceived as a visual defect is high due to the additional threaded connection between the tap extension 38 and the S-port 36, especially if rework is required.

Claims (13)

  1. An S-shaped connection (10) for connecting a water pipe (30) and a fitting (32) having
    • a 1/2" external thread (14) for connecting to the water pipe (30) and
    • a 3/4" external thread (18) for connecting to the fitting (32), wherein
    • a longitudinal axis (20) of the 1/2" external thread (14) and a longitudinal axis (22) of the 3/4" external thread (18) are arranged parallel to and at a distance (d) from each other, characterized in that
    • the 1/2" external thread (14) has a length (1) of at least 30 mm.
  2. The S-shaped connection (10) according to claim 1, characterized in that the length (1) of the 1/2" external thread (14) is at least 50 mm.
  3. The S-shaped connection (10) according to claim 1, characterized in that the length (1) of the 1/2" external thread (14) is at least 80 mm.
  4. The S-shaped connection (10) according to one of claims 1 to 3, characterized by a wall-side connecting portion that has the 1/2" external thread (14) and can be shortened with a tube saw.
  5. The S-shaped connection (10) according to claim 4, characterized in that the 1/2" external thread (14) extends over the entire length of the wall-side connecting portion.
  6. The S-shaped connection (10) according to one of claims 1 to 5, characterized in that the distance between the longitudinal axes (20, 22) is in the range of 3 mm to 40 mm.
  7. The S-shaped connection (10) according to one of claims 1 to 6, characterized in that the S-shaped connection (10) consists of brass.
  8. The S-shaped connection (10) according to one of claims 1 to 7, characterized in that the S-shaped connection (10) is chromium-plated.
  9. The S-shaped connection (10) according to one of claims 1 to 8, characterized in that the 1/2" external thread (14) has corrugation.
  10. The S-shaped connection (10) according to one of claims 1 to 9, characterized in that the 3/4" external thread (18) has a length in the range of 10 mm to 30 mm.
  11. The S-shaped connection (10) according to one of claims 1 to 10, characterized in that the 3/4" external thread (18) extends over the entire length of a fitting-side connecting portion of the S-shaped connection (10).
  12. The S-shaped connection (10) according to one of claims 1 to 11, characterized in that a wall thickness of the S-shaped connection (10) in the region of the 1/2" external thread (14) and/or in the region of the 3/4" external thread (18) is 1.5 mm to 3 mm.
  13. The S-shaped connection (10) according to one of claims 1 to 12, characterized in that a 1/2" internal thread is arranged concentrically with the 3/4" external thread (18).
EP16700109.8A 2015-01-07 2016-01-06 S-shaped connection for connecting a water pipe to a fitting Active EP3242978B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201520100038 DE202015100038U1 (en) 2015-01-07 2015-01-07 S connection for connecting a water pipe to a fitting
PCT/EP2016/050119 WO2016110503A1 (en) 2015-01-07 2016-01-06 S-shaped connection for connecting a water pipe to a fitting

Publications (2)

Publication Number Publication Date
EP3242978A1 EP3242978A1 (en) 2017-11-15
EP3242978B1 true EP3242978B1 (en) 2018-11-07

Family

ID=52673657

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16700109.8A Active EP3242978B1 (en) 2015-01-07 2016-01-06 S-shaped connection for connecting a water pipe to a fitting

Country Status (3)

Country Link
EP (1) EP3242978B1 (en)
DE (1) DE202015100038U1 (en)
WO (1) WO2016110503A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202015102160U1 (en) 2015-04-29 2015-05-12 Frank Bernhard S connection for connecting a fitting to a water pipe
DE202015102336U1 (en) * 2015-05-07 2015-05-27 Frank Bernhard System for avoiding water damage
CN105040077B (en) * 2015-08-12 2018-06-08 江门冢田理研汽车饰件有限公司 Liquid pipe connection device is electroplated

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2532648A1 (en) * 1975-07-22 1977-01-27 Bast Siegfried Rosette for covering water pipe wall fittings - has central sleeve for accommodating axial displacements within flexible outer ring
DE3711429C2 (en) * 1987-04-04 1995-04-27 Rokal Armaturen Gmbh Device for silencing a sanitary fitting
DE19846779A1 (en) * 1998-10-10 2000-04-13 Grohe Kg Hans Device for covering a wall connection
DE102013205250B9 (en) * 2013-03-25 2020-01-16 Hansgrohe Se Pipe connection adapter and sanitary fitting
DE202014006320U1 (en) * 2014-06-10 2014-08-27 Schulte Duschkabinenbau Gmbh & Co. Kg Connection device and sanitary facility

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
DE202015100038U1 (en) 2015-02-19
WO2016110503A1 (en) 2016-07-14
EP3242978A1 (en) 2017-11-15

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